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70 lines
1.7 KiB
JavaScript
70 lines
1.7 KiB
JavaScript
// META: global=worker,jsshell
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// META: script=../resources/test-utils.js
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'use strict';
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promise_test(() => {
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let controller;
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new ReadableStream({
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start(c) {
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controller = c;
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}
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});
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garbageCollect();
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return delay(50).then(() => {
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controller.close();
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assert_throws(new TypeError(), () => controller.close(), 'close should throw a TypeError the second time');
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controller.error();
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});
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}, 'ReadableStreamController methods should continue working properly when scripts lose their reference to the ' +
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'readable stream');
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promise_test(() => {
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let controller;
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const closedPromise = new ReadableStream({
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start(c) {
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controller = c;
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}
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}).getReader().closed;
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garbageCollect();
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return delay(50).then(() => controller.close()).then(() => closedPromise);
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}, 'ReadableStream closed promise should fulfill even if the stream and reader JS references are lost');
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promise_test(t => {
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const theError = new Error('boo');
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let controller;
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const closedPromise = new ReadableStream({
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start(c) {
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controller = c;
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}
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}).getReader().closed;
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garbageCollect();
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return delay(50).then(() => controller.error(theError))
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.then(() => promise_rejects(t, theError, closedPromise));
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}, 'ReadableStream closed promise should reject even if stream and reader JS references are lost');
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promise_test(() => {
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const rs = new ReadableStream({});
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rs.getReader();
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garbageCollect();
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return delay(50).then(() => assert_throws(new TypeError(), () => rs.getReader(),
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'old reader should still be locking the stream even after garbage collection'));
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}, 'Garbage-collecting a ReadableStreamDefaultReader should not unlock its stream');
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